MPLX Ownership & Insider Activity

MPLX (MPLX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.3% of shares outstanding. Institutional investors hold 27.9%.

Shares Outstanding

1.015B

Shares Float

366.963M

Insider Shares Owned

3.179M

Insider % Owned

0.3%

Institutional Shares Held

282.553M

Institutional % Held

27.9%

Ownership Breakdown

Net Insider Activity by Month

MPLX Insider Transactions (Last 6 Months)

No insider filings in the last 6 months.

Date	Member	Party	Chamber	Action	Amount
Dec 21, 2021	Mark Green	R	House	Sale	$500,001 - $1,000,000